Finding the Third Proportional to 13,410.46 and 19,705.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410.46 : 19,705.15 = 19,705.15 : x
2. Step 2: Convert to fraction form
   13,410.46/19,705.15 = 19,705.15/x
3. Step 3: Cross multiply
   13,410.46x = 19,705.15 × 19,705.15
4. Step 4: Simplify right side
   13,410.46x = 388,292,874.94
5. Step 5: Solve for x
   x = 388,292,874.94/13,410.46
6. Step 6: Final answer
   x = 28,954.48